Dyfyniad APA

Christensen, C. M. (2012). How Will You Measure Your Life? (1 st.). Harper Collins.

Dyfyniad Arddull Chicago

Christensen, Clayton M. How Will You Measure Your Life? 1 st. Harper Collins, 2012.

Dyfyniad MLA

Christensen, Clayton M. How Will You Measure Your Life? 1 st. Harper Collins, 2012.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.